package com.jhl.seckill.utils;

import org.apache.commons.codec.digest.DigestUtils;

/**
 * MD5加密工具类
 */

public class MD5Util {

    private static final String salt = "1a2b3c4d";

    public static String md5(String src) {
        return DigestUtils.md5Hex(src);
    }

    public static String inputPassToFromPass(String inputPass) {
        String str = salt.charAt(0) + salt.charAt(2) + inputPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String fromPassToDBPass(String fromPass, String salt) {
        String str = salt.charAt(0) + salt.charAt(2) + fromPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String inputPassToDBPass(String inputPass, String salt) {
        String fromPass = inputPassToFromPass(inputPass);
        String dbPass = fromPassToDBPass(fromPass, salt);
        return dbPass;
    }

//    public static void main(String[] args) {
//        System.out.println(inputPassToFromPass("123456"));
//        System.out.println(fromPassToDBPass("ce21b747de5af71ab5c2e20ff0a60eea",salt));
//        System.out.println(inputPassToDBPass("123",salt));
//    }
}
